Results 101 to 110 of about 7,806 (221)
TEM and SAED Characterization of Metakaolin. Pozzolanic Activity [PDF]
The present study deals with a characterization of metakaolin pozzolanic activity and its chemical character exhibited in the Ordinary Portland Cement (OPC) blends by means of Transmission Electron Microscopy (TEM) and Selected-Area Electron Diffraction (
Fernandez Martinez, F. +3 more
core +2 more sources
Waste clay materials as pozzolanic additions [PDF]
En: 1st Spanish National Conference on Advances in Materials Recycling and Eco – Energy Madrid, 12-13 November 2009.-- Editors: F. A. López, F. Puertas, F. J. Alguacil and A.
Ferreiro, S. +4 more
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Corrosion Behavior of Steel Embedded in Ternary Concrete Mixtures
The main reason for the premature failure of reinforced concrete structures is corrosion of the reinforcements. The use of new mortars based on ternary mixtures, an alternative to ordinary Portland cement (OPC), requires extensive research in order to ...
E.P. Reyes-Diaz +8 more
doaj +1 more source
Strength development of fly ash based composite material [PDF]
The term „fly ash‟ is often used to describe any fine particulate material precipitated from the stack gases of industrial furnaces burning solid fuels.
Nayak, Prashant Kumar, V, Srikrishnan
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A very simple method based on electrical conductivity and pH measurements was proposed for assessing reactivity of pozzolans. Calcium hydroxide:pozzolan water suspensions were monitored by means of measurements of electrical conductivity and pH values ...
M. M. Tashima +5 more
doaj +1 more source
Effect of supplementary cementitious materials on capillary sorption : relation with drying rate and testing time [PDF]
The water sorption phenomenon in a cementitious matrix is responsible for the ingress of several deleterious agents, and it is directly related to pore connectivity and pore volume.
Alderete, Natalia Mariel +2 more
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Some considerations about the durability of historic mortars [PDF]
The current manuscript discusses the durability of historical mortars. The majority of the descriptions about those mortars are mainly related to the Roman period and refer the mixture of calcium hydroxide and pozzolans (volcanic ashes and calcined ...
Gomes, J. P. Castro +2 more
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The effectiveness of palm oil fuel ash (POFA) to resist chloride ion in concrete [PDF]
In nowadays construction, the demand for high performance and high durability of concrete is highly required to be used in reinforced concrete structure.
Mohd Zhafir, Mohd Jais
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Materials Science in Ancient Rome [PDF]
Two books, the "De Architectura" by Vitruvius and the "Naturalis Historia" by Pliny the Elder, give us a portrait of the Materials Science, that is, the knowledge of materials, in Rome at the beginning of the Empire.
Sparavigna, Amelia Carolina
core +1 more source
Study of efflorescence forming process on cementitious materials // Etude du processus de formation des efflorescences sur des matériaux cimentaires [PDF]
International audienceEfflorescence is a white deposit of calcium carbonate on the surface of cementitious materials. It appears under specific climatic conditions.
Delair, Stéphanie +3 more
core +1 more source

